why you chose this topic, what was of interest to you.

PURPOSE – what you specifically wanted to learn about this topic

MAIN BODY – the information you acquired about this topic

CONCLUSION – summary of what you learned

BIBLIOGRAPHY:  references you used
The length of the Introduction and Purpose should be at least 2 paragraphs each (4 sentences each).  The main body should be at least 10 paragraphs (5 sentences each).  The conclusion should be 3 paragraphs (4 sentences each).  The conclusion should be a summary of what you learned, not new information that is being added.